pulley conical disc

例句：

1. 1. The pulleyconical disc is used to lift heavyobjects.
   滑轮圆锥形盘用于提起重物。
2. 2. The engineer designed the pulley conical disc with a specific weight capacity.
   工程师设计了具有特定承重能力的滑轮圆锥形盘。
3. 3. The pulley conical discis an essential component of the machine's transmission system.
   滑轮圆锥形盘是机器传动系统的一个关键部件。